after the Federal Stock Classification (FSC)
code (first four digits). For example, FSN
a. Usable on codes are included in column 3.
6625-553-0142 when converted is NSN
Uncoded items are applicable to all models. Identifi-
cation of the usable on codes used in this publication
c. Description. Indicates the Federal item name
are --
and a minimum description required to identify the
Code
Used on
item. The last line indicates the reference number
BQQ
AM-1881/U and AM-3026/U
followed by the applicable Federal Supply Code for
Manufacturer (FSCM) in parentheses. The FSCM is
b. The following publications pertain to the
used as an element in item identification to designate
equipment and its components:
manufacturer or distributor or Government agency,
TM 11-6625-353-12 Operator's and Organizational
etc., and is identified in SB 708-42.
Maintenance
Manual:
d. Unit of Measure (U/M). Indicates the standard
Amplifiers, Radio Frequency
or basic quantity by which the listed item is used in
AM-1881/U and AM-3026/U.
performing the actual maintenance function. This
TM 11-6625-353-20P Organizational Maintenance
measure is expressed by a two-character alphabeti-
Repair Parts and Special
cal abbreviation; e.g., ea, in, pr, etc., and is the basis
Tools Lists: Amplifiers,
used to indicate quantities and allowances in
Radio Frequency AM-1881/U
subsequent columns. When the unit of measure
and AM-3026/U.
differs from the unit of issue, the lowest unit of issue
TM 11-6625-353-35 Field and Depot Maintenance
that will satisfy the required units of measure will be
Manual: Amplifier, Radio
requisitioned.
Frequency AM-1881/U.
e. Quantity Incorporated in Unit. This column
indicates the quantity of the item used in the
equipment. Subsequent appearances of the same
a. This manual contains one cross-reference index
item in the same assembly are indicated by the
(see IV) to be used to locate a repair part when either
letters "REF".
the Federal stock number or reference number
f. 30-Day DS/GS Maintenance Allowances.
(manufacturer's part number) is known. The first
NOTE
column in the index is prepared in numerical or
Allowances in GS column are for GS
alphanumeric sequence in ascending order. The
maintenance only.
reference numbers (manufacturer's part numbers)
(1) The repair parts indicated by asterisk entries
are listed immediately following the last listed
in separate allowance columns for DS and GS
Federal stock number in the index of Federal stock
represent those authorized for use at that category
numbers.
of maintenance to be requisitioned on an "as
b. When the Federal stock number or reference
required" basis, until stockage is based on demand in
number is known, follow the procedures given in (1)
accordance with AR 710-2.
and (2) below.
(2) Allowance quantities are indicated in the
(1) Refer to the index of Federal stock numbers
special tool lists section for special tools, TMDE, and
(sec IV) and locate the Federal stock number or
other support equipment.
reference number. The FSN and reference number
g. l-Year Allowances Per 100 Equipments/
are cross-referenced to the applicable figure and
Contingency Planning Purposes. Column inten-
item number or reference designation.
tionally left blank
(2) Refer to the repair parts list (sec II) and locate
h. Depot Maintenance Allowance Per 100 Equip-
the figure number (COl 10a) and item number or
ments. This column indicates opposite the first
reference designation (COl 10b) as noted in the FSN
appearance of each item the total quantity au-
index.
thorized for depot maintenance of 100 equipments.
c. When the figure and item number or reference
i. Illustration. This column is divided as follows:
designation are known, scrutinize columns 10a and
(1) Figure number. Indicates the figure number
10b of the repair parts list (sec II) until the item is
of the illustration on which the item is shown in TM
located.
11-6625-353-35.
d. When the FSN, reference number, figure
(2) Item Number. Indicates the item number or
number, item number and reference designation are
reference designation used to reference the item in
not known, scrutinize column 3 of the repair parts list
the illustration.
